The answer would be, "Look at your child's head, along the scalp line, for white dots."
A parent receives a note from school reporting that a student in class has head lice. The parent calls the school nurse to ask how to check for head lice. The nurse should give the above mentioned instruction to the parent on call.
Explanation:
If a parent needs to check if there are lice in his or her child's head, she must look at the child's head for white dots along the scalp line. These white dots are the nits. Nits are the eggs of lice.
Lice lays eggs along the scalp line on the shaft of the hair. Lice cannot be removed completely from the head until all the nits are removed. So a parent must also remove all the nits from the head of the child.
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